#include <ctime>
#include <iostream>
#include <fstream>

using namespace std;

void bubbleSort (int list[], int listLength)  {
    while(listLength--)  {
        bool swapped = false;

    for(int i = 0; i < listLength; i++)  {
            if(list[i] > list[i + 1])  {
                swap(list[i], list[i + 1]);
                swapped = true;
            }
        }

        if(swapped == false) break;
    }
}

void read_from_file(const char *filename, int a[], int length) {
    ifstream file(filename);

    for(int i = 0; i < length; i++)
        file >> a[i];
}

int main()
{
    #define LEN 5000
    int a [LEN];

    read_from_file("m1_sorted.txt", a, LEN);
    unsigned int t_start = clock();
    bubbleSort (a, LEN);
    unsigned int t_finish = clock();
    unsigned int t_work = t_finish - t_start;
    cout<<"m1_sorted" << t_work << "milliseconds \n";

    read_from_file("m2_reverse.txt", a, LEN);
    t_start = clock();
    bubbleSort (a, LEN);
    t_finish = clock();
    t_work = t_finish - t_start;
    cout<<"m2_reverse" << t_work << "milliseconds \n";

    read_from_file("m3_shuffle.txt", a, LEN);
    t_start = clock();
    bubbleSort (a, LEN);
    t_finish = clock();
    t_work = t_finish - t_start;
    cout<<"m3_shuffle" << t_work << "milliseconds \n";

}
